Home / 32,113.04-44,331.46-21,375.78

Finding the Fourth Proportional to 32,113.04, 44,331.46 and 21,375.78

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Solution

The fourth proportional to 32,113.04, 44,331.46 and 21,375.78 is: 29,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,113.04 : 44,331.46 = 21,375.78 : x
  2. Step 2: Convert to fraction form
    32,113.04/44,331.46 = 21,375.78/x
  3. Step 3: Cross multiply
    32,113.04x = 44,331.46 × 21,375.78
  4. Step 4: Simplify right side
    32,113.04x = 947,619,536.04
  5. Step 5: Solve for x
    x = 947,619,536.04/32,113.04
  6. Step 6: Final answer
    x = 29,508.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.